/Engine/Source/Runtime/CoreUObject/Public/Misc/PackagePath.h
Construct a PackagePath from a LocalPath or PackageName string, assuming the given LocalPath or PackageName is in a directory that is mounted (aka registered withFPackageName::MountPointExists)
True if the input string was found in a mounted path and OutPackagePath has been set, false otherwise
static bool TryFromMountedName ( FStringView InPackageNameOrHeaderFilePath, [FPackagePath](API\Runtime\CoreUObject\Misc\FPackagePath) & OutPackagePath )